The Great When

In it, amidst the smog of post-WWII London emerges Dennis Knuckleyard, a young clerk employed by a second-hand bookshop. One day, on an errand to acquire books for sale, Dennis comes into the possession of a novel that simply does not exist. It is a fictitious book from the Great When, a nightmarish, imaginary realm that is the supernatural counterpart to the city Dennis calls home. Dennis has to return the book or get killed. Soon he finds himself at the center of an explosive series of events, navigating a new realm of criminals, artists and occult figures that puts his life at risk and may alter and endanger both Londons forever…